The Titus brothers appeal to Tom Swift to help them drive a railway tunnel through the mountains of South America. With his giant Koku and the blessing-prone Mr. Damon, Tom takes his inventions to the Andes, where rivals, cave-ins and legends of a hidden city and its treasure await.
Classic Stratemeyer adventure for boys; the portrayal of the servant Eradicate reflects 1916 caricature. Download the free EPUB.